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eth-monitor/eth_monitor/runnable/sync.py

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# standard imports
import sys
import signal
import argparse
import confini
import logging
import os
import importlib
# external imports
from chainlib.chain import ChainSpec
from chainlib.eth.connection import EthHTTPConnection
from chainlib.eth.block import block_latest
from hexathon import (
strip_0x,
add_0x,
)
from chainsyncer.driver.head import HeadSyncer
from chainsyncer.driver.history import HistorySyncer
from chainsyncer.backend.file import FileBackend
from chainsyncer.filter import NoopFilter
from eth_cache.rpc import CacheRPC
from eth_cache.store.file import FileStore
# local imports
from eth_monitor.chain import EthChainInterface
from eth_monitor.filters.cache import Filter as CacheFilter
from eth_monitor.rules import (
AddressRules,
RuleSimple,
)
from eth_monitor.filters import RuledFilter
from eth_monitor.filters.out import OutFilter
logging.basicConfig(level=logging.WARNING)
logg = logging.getLogger()
default_eth_provider = os.environ.get('RPC_PROVIDER')
if default_eth_provider == None:
default_eth_provider = os.environ.get('ETH_PROVIDER', 'http://localhost:8545')
script_dir = os.path.realpath(os.path.dirname(__file__))
exec_dir = os.path.realpath(os.getcwd())
#default_config_dir = os.environ.get('CONFINI_DIR', os.path.join(exec_dir, 'config'))
base_config_dir = os.path.join(script_dir, '..', 'data', 'config')
argparser = argparse.ArgumentParser('master eth events monitor')
argparser.add_argument('-p', '--provider', dest='p', default=default_eth_provider, type=str, help='Web3 provider url (http only)')
argparser.add_argument('-c', type=str, help='config file')
argparser.add_argument('-i', '--chain-spec', dest='i', type=str, help='Chain specification string')
argparser.add_argument('--offset', type=int, default=0, help='Start sync on this block')
argparser.add_argument('--until', type=int, default=0, help='Terminate sync on this block')
argparser.add_argument('--head', action='store_true', help='Start at current block height (overrides --offset, assumes --keep-alive)')
argparser.add_argument('--seq', action='store_true', help='Use sequential rpc ids')
argparser.add_argument('--skip-history', action='store_true', dest='skip_history', help='Skip history sync')
argparser.add_argument('--keep-alive', action='store_true', dest='keep_alive', help='Continue to sync head after history sync complete')
argparser.add_argument('--input', default=[], action='append', type=str, help='Add input (recipient) addresses to includes list')
argparser.add_argument('--output', default=[], action='append', type=str, help='Add output (sender) addresses to includes list')
argparser.add_argument('--exec', default=[], action='append', type=str, help='Add exec (contract) addresses to includes list')
argparser.add_argument('--address', default=[], action='append', type=str, help='Add addresses as input, output and exec to includes list')
argparser.add_argument('--x-input', default=[], action='append', type=str, dest='xinput', help='Add input (recipient) addresses to excludes list')
argparser.add_argument('--x-output', default=[], action='append', type=str, dest='xoutput', help='Add output (sender) addresses to excludes list')
argparser.add_argument('--x-exec', default=[], action='append', type=str, dest='xexec', help='Add exec (contract) addresses to excludes list')
argparser.add_argument('--x-address', default=[], action='append', type=str, dest='xaddress', help='Add addresses as input, output and exec to excludes list')
argparser.add_argument('--includes-file', type=str, dest='includes_file', help='Load include rules from file')
argparser.add_argument('--include-default', dest='include_default', action='store_true', help='Include all transactions by default')
argparser.add_argument('--store-tx-data', dest='store_tx_data', action='store_true', help='Include all transaction data objects by default')
argparser.add_argument('--store-block-data', dest='store_block_data', action='store_true', help='Include all block data objects by default')
argparser.add_argument('--address-file', type=str, dest='excludes_file', help='Load exclude rules from file')
argparser.add_argument('--renderer', type=str, action='append', default=[], help='Python modules to dynamically load for rendering of transaction output')
argparser.add_argument('--filter', type=str, action='append', help='Add python module filter path')
argparser.add_argument('--cache-dir', dest='cache_dir', type=str, help='Directory to store tx data')
argparser.add_argument('--fresh', action='store_true', help='Do not read block and tx data from cache, even if available')
argparser.add_argument('--single', action='store_true', help='Execute a single sync, regardless of previous states')
argparser.add_argument('-v', action='store_true', help='Be verbose')
argparser.add_argument('-vv', action='store_true', help='Be more verbose')
argparser.add_argument('-vvv', action='store_true', help='Be incredibly verbose')
args = argparser.parse_args(sys.argv[1:])
if args.vvv:
logg.setLevel(logging.DEBUG)
else:
logging.getLogger('chainlib.connection').setLevel(logging.WARNING)
logging.getLogger('chainlib.eth.tx').setLevel(logging.WARNING)
logging.getLogger('chainsyncer.driver.history').setLevel(logging.WARNING)
logging.getLogger('chainsyncer.driver.head').setLevel(logging.WARNING)
logging.getLogger('chainsyncer.backend.file').setLevel(logging.WARNING)
logging.getLogger('chainsyncer.backend.sql').setLevel(logging.WARNING)
logging.getLogger('chainsyncer.filter').setLevel(logging.WARNING)
if args.vv:
logg.setLevel(logging.DEBUG)
elif args.v:
logg.setLevel(logging.INFO)
config_dir = args.c
config = confini.Config(base_config_dir, os.environ.get('CONFINI_ENV_PREFIX'), override_dirs=args.c)
config.process()
args_override = {
'CHAIN_SPEC': getattr(args, 'i'),
}
config.dict_override(args_override, 'cli')
config.add(args.offset, '_SYNC_OFFSET', True)
config.add(args.skip_history, '_NO_HISTORY', True)
config.add(args.single, '_SINGLE', True)
config.add(args.head, '_HEAD', True)
logg.debug('loaded config:\{}'.format(config))
logg.debug('config loaded:\n{}'.format(config))
chain_spec = ChainSpec.from_chain_str(args.i)
state_dir = os.path.join(exec_dir, 'state')
rpc_id_generator = None
if args.seq:
rpc_id_generator = IntSequenceGenerator()
auth = None
if os.environ.get('RPC_AUTHENTICATION') == 'basic':
from chainlib.auth import BasicAuth
auth = BasicAuth(os.environ['RPC_USERNAME'], os.environ['RPC_PASSWORD'])
rpc = EthHTTPConnection(args.p)
def setup_address_arg_rules(rules, args):
include_inputs = args.input
include_outputs = args.output
include_exec = args.exec
exclude_inputs = args.xinput
exclude_outputs = args.xoutput
exclude_exec = args.xexec
for address in args.address:
include_inputs.append(address)
include_outputs.append(address)
include_exec.append(address)
for address in args.xaddress:
exclude_inputs.append(address)
exclude_outputs.append(address)
exclude_exec.append(address)
includes = RuleSimple(include_outputs, include_inputs, include_exec)
rules.include(includes)
excludes = RuleSimple(exclude_outputs, exclude_inputs, exclude_exec)
rules.exclude(excludes)
return rules
def setup_address_file_rules(rules, includes_file=None, excludes_file=None, include_default=False, include_block_default=False):
if includes_file != None:
f = open(includes_file, 'r')
logg.debug('reading includes rules from {}'.format(os.path.realpath(includes_file)))
while True:
r = f.readline()
if r == '':
break
r = r.rstrip()
v = r.split("\t")
sender = []
recipient = []
executable = []
try:
if v[0] != '':
sender = v[0].split(',')
except IndexError:
pass
try:
if v[1] != '':
recipient = v[1].split(',')
except IndexError:
pass
try:
if v[2] != '':
executable = v[2].split(',')
except IndexError:
pass
rule = RuleSimple(sender, recipient, executable)
rules.include(rule)
if excludes_file != None:
f = open(includes_file, 'r')
logg.debug('reading excludes rules from {}'.format(os.path.realpath(excludes_file)))
while True:
r = f.readline()
if r == '':
break
r = r.rstrip()
v = r.split("\t")
sender = None
recipient = None
executable = None
if v[0] != '':
sender = v[0].strip(',')
if v[1] != '':
recipient = v[1].strip(',')
if v[2] != '':
executable = v[2].strip(',')
rule = RuleSimple(sender, recipient, executable)
rules.exclude(rule)
return rules
def setup_filter(chain_spec, cache_dir, include_tx_data, include_block_data):
store = None
if cache_dir == None:
logg.warning('no cache dir specified, will discard everything!!')
from eth_monitor.store.null import NullStore
store = NullStore()
else:
store = FileStore(chain_spec, cache_dir)
cache_dir = os.path.realpath(cache_dir)
if cache_dir == None:
import tempfile
cache_dir = tempfile.mkdtemp()
logg.info('using chain spec {} and store {}'.format(chain_spec, store))
RuledFilter.init(store, include_tx_data=include_tx_data, include_block_data=include_block_data)
return store
def setup_cache_filter(rules_filter=None):
return CacheFilter(rules_filter=rules_filter)
def setup_backend_resume(chain_spec, block_offset, block_limit, state_dir, callback, chain_interface, sync_offset=0, skip_history=False):
syncers = []
syncer_backends = FileBackend.resume(chain_spec, block_offset, base_dir=state_dir)
if len(syncer_backends) == 0:
initial_block_start = block_offset - 1
if config.get('_SYNC_OFFSET') != None:
initial_block_start = config.get('_SYNC_OFFSET')
initial_block_offset = block_offset
if skip_history:
initial_block_start = block_offset
initial_block_offset += 1
syncer_backends.append(FileBackend.initial(chain_spec, initial_block_offset, start_block_height=initial_block_start, base_dir=state_dir))
logg.info('found no backends to resume, adding initial sync from history start {} end {}'.format(initial_block_start, initial_block_offset))
else:
for syncer_backend in syncer_backends:
logg.info('resuming sync session {}'.format(syncer_backend))
for syncer_backend in syncer_backends:
syncers.append(HistorySyncer(syncer_backend, chain_interface, block_callback=callback)) #RuledFilter.block_callback))
syncer_backend = FileBackend.live(chain_spec, block_offset+1, base_dir=state_dir)
syncers.append(HeadSyncer(syncer_backend, chain_interface, block_callback=callback))
return syncers
def setup_backend_single(chain_spec, block_offset, block_limit, state_dir, callback, chain_interface, sync_offset=0, skip_history=False):
logg.debug('block limit {}'.format(block_limit))
syncer_backend = FileBackend.initial(chain_spec, block_limit, start_block_height=sync_offset, base_dir=state_dir)
syncer = HistorySyncer(syncer_backend, chain_interface, block_callback=callback)
return [syncer]
def setup_backend_head(chain_spec, block_offset, block_limit, state_dir, callback, chain_interface, sync_offset=0, skip_history=False):
syncer_backend = FileBackend.live(chain_spec, block_offset, base_dir=state_dir)
syncer = HeadSyncer(syncer_backend, chain_interface, block_callback=callback)
return [syncer]
def main():
session_block_offset = 0
if args.head:
session_block_offset = -1
else:
session_block_offset = args.offset
block_limit = 0
if args.until > 0:
if not args.head and args.until <= block_offset:
raise ValueError('sync termination block number must be later than offset ({} >= {})'.format(block_offset, args.until))
block_limit = args.until
o = block_latest()
r = rpc.do(o)
block_offset = int(strip_0x(r), 16) + 1
logg.info('network block height is {}'.format(block_offset))
if session_block_offset == -1:
session_block_offset = block_offset
elif not config.true('_KEEP_ALIVE'):
if block_limit == 0:
block_limit = block_offset
address_rules = AddressRules(include_by_default=args.include_default)
address_rules = setup_address_file_rules(
address_rules,
includes_file=args.includes_file,
excludes_file=args.excludes_file,
)
address_rules = setup_address_arg_rules(
address_rules,
args,
)
store = setup_filter(
chain_spec,
args.cache_dir,
bool(args.store_tx_data),
bool(args.store_block_data),
)
cache_filter = setup_cache_filter(
rules_filter=address_rules,
)
filters = [
cache_filter,
]
if args.filter != None:
for fltr in args.filter:
m = importlib.import_module(fltr)
fltr_object = m.Filter(rules_filter=address_rules)
filters.append(fltr_object)
syncer_setup_func = None
if config.true('_HEAD'):
syncer_setup_func = setup_backend_head
elif config.true('_SINGLE'):
syncer_setup_func = setup_backend_single
else:
syncer_setup_func = setup_backend_resume
chain_interface = EthChainInterface()
syncers = syncer_setup_func(
chain_spec,
block_offset,
block_limit,
state_dir,
cache_filter.block_callback,
chain_interface,
sync_offset=config.get('_SYNC_OFFSET'),
skip_history=config.true('_NO_HISTORY'),
)
renderers_mods = []
for renderer in args.renderer:
m = importlib.import_module(renderer)
renderers_mods.append(m)
out_filter = OutFilter(chain_spec, rules_filter=address_rules, renderers=renderers_mods)
filters.append(out_filter)
use_rpc = rpc
if not args.fresh:
use_rpc = CacheRPC(rpc, store)
i = 0
for syncer in syncers:
logg.info('running syncer index {} {}'.format(i, str(syncer)))
for f in filters:
syncer.add_filter(f)
r = syncer.loop(int(config.get('SYNCER_LOOP_INTERVAL')), use_rpc)
sys.stderr.write("sync {} done at block {}\n".format(syncer, r))
i += 1
if __name__ == '__main__':
main()